870640867631701 has 2 divisors, whose sum is σ = 870640867631702. Its totient is φ = 870640867631700.

The previous prime is 870640867631641. The next prime is 870640867631707. The reversal of 870640867631701 is 107136768046078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564794284690801 + 305846582940900 = 23765401^2 + 17488470^2 .

It is a cyclic number.

It is not a de Polignac number, because 870640867631701 - 2¹⁷ = 870640867500629 is a prime.

It is a super-2 number, since 2×870640867631701² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870640867631707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435320433815850 + 435320433815851.

It is an arithmetic number, because the mean of its divisors is an integer number (435320433815851).

Almost surely, 2^{870640867631701} is an apocalyptic number.

It is an amenable number.

870640867631701 is a deficient number, since it is larger than the sum of its proper divisors (1).

870640867631701 is an equidigital number, since it uses as much as digits as its factorization.

870640867631701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 870640867631701 in words is "eight hundred seventy trillion, six hundred forty billion, eight hundred sixty-seven million, six hundred thirty-one thousand, seven hundred one".